///////////////////////////////////////////////////////////////////////////////
// $Id$
//
// 3DimViewer
// Lightweight 3D DICOM viewer.
//
// Copyright 2008-2016 3Dim Laboratory s.r.o.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
///////////////////////////////////////////////////////////////////////////////

#ifndef EVENTHANDLERBASE_H_INCLUDED
#define EVENTHANDLERBASE_H_INCLUDED

#include <osgGA/GUIEventHandler>
class OSGCanvas;

namespace scene
{
    class CEventHandlerBase : public osgGA::GUIEventHandler
    {
    public:
        //! Constructor
        CEventHandlerBase( OSGCanvas * canvas = NULL);
    
        //! Set canvas pointer
        void setCanvas( OSGCanvas * canvas );

        //! Refresh scene
        virtual void refresh( bool eraseBackground = true );

    protected:
        //! Canvas pointer
        OSGCanvas * m_canvas;

    }; // class CEventHandlerBase
} // namespace scene

//EVENTHANDLERBASE_H_INCLUDED
#endif

